Minimizing the effect of mainframe, UNIX®, Linux®and Microsoft®Windows®data migrations on business operations is a critical part of the datacenter manager’s job. In the past, migration projects were scheduled to beperformed during off-hours; however, today’s around-the-clock environmenthas no application downtime window. Rather than delay the purchase ordeployment of new storage technology because of potential migration prob-lems, IT organizations now can employ new tools and methodologies thatminimize the risk. New software allows nondisruptive migration, meaning thatapplications remain online during data movement without significant perform-ance delays. And new methodologies that help with assessing, planning,migrating and validating data migrations can enable organizations to takeadvantage of customization, as well as help speed the process and ensure data integrity.